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Finding the Fourth Proportional to 101,562.54, 140,155.92 and 56,850.54

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Solution

The fourth proportional to 101,562.54, 140,155.92 and 56,850.54 is: 78,453.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,562.54 : 140,155.92 = 56,850.54 : x
  2. Step 2: Convert to fraction form
    101,562.54/140,155.92 = 56,850.54/x
  3. Step 3: Cross multiply
    101,562.54x = 140,155.92 × 56,850.54
  4. Step 4: Simplify right side
    101,562.54x = 7,967,939,736.20
  5. Step 5: Solve for x
    x = 7,967,939,736.20/101,562.54
  6. Step 6: Final answer
    x = 78,453.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.